Kev txhaj tshuaj molding yog txheej txheem siv dav siv los tsim cov khoom yas hauv cov ntim loj. Hom yas resin xaiv tau muaj feem cuam tshuam rau cov khoom ntawm cov khoom kawg, xws li nws lub zog, yoog raws, kub tsis kam, thiab tshuaj lom neeg ua haujlwm ntev. Hauv qab no, peb tau piav qhia xya feem ntau siv cov yas resins hauv kev txhaj tshuaj molding, qhia txog lawv cov khoom tseem ceeb thiab cov ntawv thov raug:
Summary Table: Common Plastic Resins in Txhaj Molding
| Resin | Cov khoom | Daim ntawv thov |
|---|---|---|
| ABS | Kev ua haujlwm siab, kev ua haujlwm yooj yim, nruab nrab kub tsis kam | Cov khoom siv hluav taws xob, khoom siv tsheb, cov khoom ua si |
| Polyethylene (PE) | Tus nqi qis, tshuaj lom neeg tsis kam, hloov tau yooj yim, tsis muaj dej noo nqus | Ntim, khoom siv kho mob, khoom ua si |
| Polypropylene (PP) | Tshuaj tiv thaiv, qaug zog tsis kam, tsawg ntom | Ntim, automotive, textiles |
| Polystyrene (PS) | Brittle, tsis tshua muaj nqi, zoo nto tiav | Cov khoom pov tseg, ntim khoom, khoom siv hluav taws xob |
| PVC | Huab cua tsis kam, ntau yam, zoo hluav taws xob rwb thaiv tsev | Cov khoom siv hauv tsev, khoom siv kho mob, ntim khoom |
| Nylon (PA) | Siab zog, hnav tsis kam, kub tsis kam, noo noo nqus | Automotive, neeg siv khoom, industrial machinery |
| Polycarbonate (PC) | Kev tiv thaiv siab, optical clarity, UV tsis kam | Automotive, electronics, kho mob, tsom iav |
1. Acrylonitrile Butadiene Styrene (ABS)
Khoom:
- Impact Resistance:ABS tau paub zoo txog nws qhov tawv thiab muaj peev xwm tiv thaiv kev cuam tshuam, ua rau nws zoo meej rau cov khoom lag luam uas yuav tsum tau ua kom lub cev muaj zog.
- Dimensional Stability:Nws tuav nws cov duab zoo, txawm tias raug tshav kub.
- Yooj yim rau txheej txheem:ABS yog ib qho yooj yim rau pwm thiab tuaj yeem ua tiav qhov chaw du.
- Nruab nrab Thaum tshav kub kub Resistance:Txawm hais tias tsis yog cov yas uas muaj cua sov tshaj plaws, nws ua tau zoo nyob rau hauv qhov kub thiab txias.
Daim ntawv thov:
- Consumer Electronics:Feem ntau siv hauv TV vaj tsev, chaw taws teeb tswj, thiab cov keyboard keycaps.
- Automotive qhov chaw:Nws yog siv rau cov khoom siv sab hauv, sab hauv, thiab dashboard Cheebtsam.
- Cov khoom ua si:Feem ntau hauv cov khoom ua si ruaj xws li Lego bricks.
2. Polyethylene (PE)
Khoom:
- Affordable thiab ntau yam:PE yog cov khoom siv hluav taws xob zoo uas yooj yim rau kev ua, ua rau nws yog ib qho kev xaiv ntau tshaj plaws.
- Chemical Resistance:Nws tiv taus cov kua qaub, cov hauv paus, thiab cov kuab tshuaj, uas ua rau nws zoo tagnrho rau cov chaw nyuaj.
- Tsawg Moisture Absorption:PE tsis nqus dej yooj yim, pab nws tswj nws lub zog thiab rigidity.
- Flexibility:PE yog hloov tau yooj yim, tshwj xeeb tshaj yog nyob rau hauv nws daim ntawv tsawg-density (LDPE).
Daim ntawv thov:
- Ntim:Siv rau cov hnab yas, lub raj mis, ntim, thiab zaj duab xis.
- Kev kho mob:Pom muaj nyob rau hauv syringes, tubing, thiab implants.
- Cov khoom ua si:Siv rau hauv cov yas playsets thiab cov duab ua.
3. Polypropylene (PP)
Khoom:
- High Chemical Resistance:PP yog resistant rau ntau yam tshuaj, ua rau nws haum rau tawv, chemically thov.
- Fatigue Resistance:Nws tuaj yeem tiv taus rov qab khoov, uas ua rau nws zoo meej rau cov ntawv thov xws li cov hinges nyob.
- Lub teeb:PP yog sib dua li ntau lwm cov resins, zoo tagnrho rau cov ntawv thov qhov hnyav hnyav.
- Nruab nrab Thaum tshav kub kub Resistance:PP tuaj yeem tiv taus qhov kub txog li 100 ° C (212 ° F), txawm hais tias nws tsis tuaj yeem tiv taus cua sov li qee yam khoom siv.
Daim ntawv thov:
- Ntim:Siv dav hauv cov thawv ntim khoom noj, lub raj mis, thiab lub kaus mom.
- Automotive:Pom nyob rau hauv cov vaj huam sib luag sab hauv, dashboards, thiab cov tais.
- Textiles:Siv nyob rau hauv nonwoven fabrics, lim, thiab ntaub pua plag fibers.
4. Polystyrene (PS)
Khoom:
- Brittle:Thaum PS yog nruj, nws zoo li nkig dua piv rau lwm cov resins, ua rau nws tsis tshua muaj kev cuam tshuam.
- Tus nqi qis:Nws tus nqi pheej yig ua rau nws muaj kev xaiv nrov rau cov khoom siv pov tseg.
- Zoo Surface Finish:PS tuaj yeem ua tiav glossy, du tiav, uas yog qhov zoo tagnrho rau cov khoom zoo nkauj.
- Hluav taws xob rwb thaiv tsev:Nws muaj cov khoom zoo heev insulating, uas ua rau nws haum rau cov khoom siv hluav taws xob.
Daim ntawv thov:
- Cov khoom siv:Siv rau hauv cov tais diav pov tseg, ntim khoom noj, thiab khob.
- Ntim:Feem ntau nyob rau hauv clamshell ntim thiab cov tais yas.
- Electronics:Siv nyob rau hauv enclosures thiab hluav taws xob Cheebtsam.
5. Polyvinyl Chloride (PVC)
Khoom:
- Tshuaj thiab Huab Cua Resistance:PVC tiv taus cov kua qaub, alkalis, thiab huab cua sab nraum zoov.
- Rigid thiab muaj zog:Thaum nyob rau hauv nws daim ntawv nruj, PVC muaj lub zog zoo heev thiab kev ncaj ncees.
- Ntau yam:Nws tuaj yeem ua tau yooj yim los yog nruj los ntawm kev ntxiv cov yas yas.
- Hluav taws xob rwb thaiv tsev:Feem ntau siv rau hluav taws xob cables thiab rwb thaiv tsev.
Daim ntawv thov:
- Khoom siv hauv tsev:Siv rau hauv cov kav dej, qhov rais thav duab, thiab hauv pem teb.
- Kev kho mob:Pom muaj nyob rau hauv cov hnab ntshav, tubing kho mob, thiab hnab looj tes phais.
- Ntim:Siv nyob rau hauv blister packs thiab fwj.
6. Nylon (Polyamide, PA)
Khoom:
- High Strength thiab Durability:Nylon paub txog nws lub zog tensile zoo heev thiab tsis kam hnav, ua rau nws zoo tagnrho rau kev siv zog siab.
- Abrasion Resistance:Nws ua tau zoo hauv cov khoom txav thiab tshuab, tiv taus hnav thiab tsim kua muag.
- Thaum tshav kub kub Resistance:Nylon tuaj yeem tswj qhov kub txog li 150 ° C (302 ° F).
- Moisture Absorption:Nylon tuaj yeem nqus dej noo, uas yuav cuam tshuam rau nws cov khoom siv kho tshuab tshwj tsis yog kho kom zoo.
Daim ntawv thov:
- Automotive:Siv rau hauv cov iav, bearings, thiab roj kab.
- Cov khoom siv:Feem ntau hauv textiles, phuam da dej, thiab hnab.
- Industrial:Pom nyob rau hauv conveyor siv, txhuam, thiab xaim.
7. Polycarbonate (PC)
Khoom:
- Impact Resistance:Polycarbonate yog cov khoom siv tawv uas ua tau zoo nyob rau hauv cov xwm txheej hnyav.
- Optical Clarity:Nws yog pob tshab, uas ua rau nws zoo tagnrho rau cov ntawv thov uas xav tau cov ntsiab lus meej.
- Thaum tshav kub kub Resistance:PC tuaj yeem tiv taus kub txog 135 ° C (275 ° F) yam tsis muaj kev puas tsuaj loj.
- UV Resistance:Nws tuaj yeem kho tau los tiv thaiv UV kev puas tsuaj, ua rau nws zoo meej rau kev siv sab nraum zoov.
Daim ntawv thov:
- Automotive:Siv nyob rau hauv headlamp lo ntsiab muag, sunroofs, thiab sab hauv Cheebtsam.
- Electronics:Pom nyob rau hauv casings rau smartphones, TV screens, thiab computers.
- Kev kho mob:Siv rau hauv cov khoom siv kho mob, cov cuab yeej phais, thiab cov looj tsom iav tiv thaiv.
Xaus:
Kev xaiv cov resin zoo rau kev txhaj tshuaj molding nyob ntawm koj cov khoom yuav tsum tau - txawm tias nws yog lub zog, durability, kub tsis kam, yooj, los yog pob tshab. Txhua yam ntawm xya resins - ABS, PE, PP, PS, PVC, Nylon, thiab Polycarbonate - nws muaj nws tus kheej zoo, ua rau nws haum rau ntau yam kev siv thoob plaws kev lag luam xws li cov khoom siv, tsheb, thiab cov khoom siv kho mob. Kev nkag siab txog cov khoom ntawm txhua cov resin yuav pab koj txiav txim siab tshaj plaws rau koj cov phiaj xwm txhaj tshuaj molding.
Post lub sij hawm: Feb-21-2025
